Novel multi-configuration aniline/phytic acid based aerogel with directed higher performance

A novel multi-configuration aniline/phytic acid (AP) aerogel was prepared via in situ polymerization and directed freeze-drying method. Three stages of multi-configuration structure can be apparently observed through SEM and TEM images of the aerogel: the first-stage was the alveolate structure; the second-stage was the AP network with micro-pores; the third-stage was nano-pores structure inside the AP aerogel. In addition, AP hydrogel with moderate aniline and phytic acid ratio exhibited higher pore volume and specific capacitance. What's more, the compressive strength and electrical conductivity of AP aerogel were approximately 5 and 9 times higher in vertical direction than horizontal direction, respectively. In general, the multi-configuration AP aerogel with high specific capacitance (475 F.g−1) exhibited more excellent mechanical and electrical comprehensive performance in certain direction.